Man pages matching name groff_mmse in section 7:

groff_mmse.7.sv	debian 10 / groff
groff_mmse.7.ja	debian 10 / manpages-ja
groff_mmse.7.sv	debian 11 / groff
groff_mmse.7.ja	debian 11 / manpages-ja
groff_mmse.7.sv	debian 12 / groff
groff_mmse.7.ja	debian 12 / manpages-ja